<template>
	<el-breadcrumb class="app-breadcrumb">
		<el-breadcrumb-item v-for="(item, index) in levelList" :key="item.path">
			<span v-if="item.redirect==='noredirect'||index==levelList.length-1" class="no-redirect">{{ item.meta.title }}</span>
			<router-link v-else :to="item.redirect||item.path">{{ item.meta.title }}</router-link>
		</el-breadcrumb-item>
	</el-breadcrumb>
</template>

<script>
export default {
	data() {
		return {
			levelList: null
		}
	},
	created(){
		this.getBreadCrumb()
	},
	watch: {
		$route() {
			this.getBreadCrumb()
		}
	},	
	methods: {
		getBreadCrumb(){
			let matched = this.$route.matched.filter(item => item.name)
			console.log(matched)
			const first = matched[0]
			if (first && first.name !== '首页') {
				matched = [{ path: '/dashboard', meta: { title: '首页' }}].concat(matched)
			}
			console.log(matched)
			this.levelList = matched			
		}
	}
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
  .app-breadcrumb.el-breadcrumb {
    display: inline-block;
    font-size: 14px;
    line-height: 50px;
    margin-left: 10px;
    .no-redirect {
      color: #97a8be;
      cursor: text;
    }
  }
</style>